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Finding the Fourth Proportional to 39,008.70, 53,838.99 and 23,101.02

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Solution

The fourth proportional to 39,008.70, 53,838.99 and 23,101.02 is: 31,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,008.70 : 53,838.99 = 23,101.02 : x
  2. Step 2: Convert to fraction form
    39,008.70/53,838.99 = 23,101.02/x
  3. Step 3: Cross multiply
    39,008.70x = 53,838.99 × 23,101.02
  4. Step 4: Simplify right side
    39,008.70x = 1,243,735,584.77
  5. Step 5: Solve for x
    x = 1,243,735,584.77/39,008.70
  6. Step 6: Final answer
    x = 31,883.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.